Question 1

There are four levels of the second factor in a 3x4x4 factorial design.​

Accepted Answer

A) True 
 B)False

Question 2

A two-factor study comparing task performance for males versus females (factor 1)for three different levels of task difficulty (factor 2)would be described as a 2x3 design.​

Accepted Answer

A) True 
 B)False

Question 3

The following data represent the means for each treatment condition in a two-factor experiment.Note that one mean is not given.What value would result in no interaction between factors B B2
A1 ​A2
20 50
60

Accepted Answer

A) ​60 
B) ​70 
C) 80 
D) ​90 
A) ​60 
B) ​70 
C) 80 
D) ​90

Question 4

In a matrix representing the structure of a factorial design,the mean differences among the columns define ____.

Accepted Answer

A) ​the main effect for one factor 
B) ​the interaction between the factors 
C) the main effect and the interaction between the factors 
D) ​the significance level 
A) ​the main effect for one factor 
B) ​the interaction between the factors 
C) the main effect and the interaction between the factors 
D) ​the significance level

Question 5

Describe what it means to say that order effects are "symmetrical" or "asymmetrical."​

Accepted Answer

​Order effects are symmetrical when the

Question 6

How many independent variables are there in a 2 x2 x2 factorial design?

Accepted Answer

A) ​two 
B) ​three 
C) four 
D) ​eight 
A) ​two 
B) ​three 
C) four 
D) ​eight

Question 7

If the AxB interaction is significant,then at least one of the two main effects also must be significant.

Accepted Answer

A) True 
 B)False

Question 8

Describe how a second factor can be used to reduce the variance in a between-subjects experiment.

Accepted Answer

​In a between-subjects experiment,the pa

Question 9

How can order effects be measured and evaluated?

Accepted Answer

A) ​Use counterbalancing. 
B) ​Use a factorial design adding a participant variable (such as age) as a second factor. 
C) Use a factorial design with the order of treatments as a second factor 
D) ​Randomize the order of the treatments. 
A) ​Use counterbalancing. 
B) ​Use a factorial design adding a participant variable (such as age) as a second factor. 
C) Use a factorial design with the order of treatments as a second factor 
D) ​Randomize the order of the treatments.

Question 10

Explain why the existence of an interaction limits the interpretation of the main effects in a two-factor study.​

Accepted Answer

The existence of an interaction means th

Question 11

In a factorial experimental design,independent variables are commonly called factors.

Accepted Answer

A) True 
 B)False

Question 12

Which outcome is possible in a 2x2 factorial design?

Accepted Answer

A) ​two main effects and two interactions 
B) ​a main effect for one factor, no main effect for the other factor, and two interactions 
C) no main effect for either factor and one interaction 
D) ​a four-way interaction 
A) ​two main effects and two interactions 
B) ​a main effect for one factor, no main effect for the other factor, and two interactions 
C) no main effect for either factor and one interaction 
D) ​a four-way interaction

Question 13

It is often possible to reduce the variance in a between-subjects design by using a participant variable such as age or gender as a second factor.

Accepted Answer

A) True 
 B)False

Question 14

For a two-factor design,describe what is meant by a "main effect" and an "interaction"?

Accepted Answer

​The overall mean differences among the

Question 15

A two-factor study compares three different treatment conditions (factor 1)for males and females (factor 2).In this study,the main effect for gender is determined by comparing the overall mean score for the males (averaged over the three treatments)and the corresponding overall mean score for the females (averaged over the three treatments).​

Accepted Answer

A) True 
 B)False

Question 16

How many separate groups of participants would be needed for a between-subjects,two-factor study with three levels of factor A and four levels of factor B?

Accepted Answer

A) ​three 
B) ​four 
C) seven 
D) ​twelve 
A) ​three 
B) ​four 
C) seven 
D) ​twelve

Question 17

Which outcome is possible in a 2x2 factorial design?​

Accepted Answer

A) ​four main effects 
B) ​no main effects 
C) two interactions 
D) ​four interactions 
A) ​four main effects 
B) ​no main effects 
C) two interactions 
D) ​four interactions

Question 18

A researcher who is examining the effects of temperature and humidity on the eating behavior of rats uses a factorial experiment comparing three different temperatures (70˚,80˚,and 90˚)and two humidity conditions (low and high).The experiment has ____ level(s)for the temperature factor and a total of ____ treatment conditions.​

Accepted Answer

A) ​one; three 
B) ​three; six 
C) six; six 
D) ​three; two 
A) ​one; three 
B) ​three; six 
C) six; six 
D) ​three; two

Question 19

The following data represent the means for each treatment condition in a two-factor experiment.Note that one mean is not given.What value for the missing mean would result in no main effect for factor B? B1 B2
​
A1
​
20
​
10
​
A2
​
40
​
​

Accepted Answer

A) ​20 
B) ​30 
C) 40 
D) ​50 
A) ​20 
B) ​30 
C) 40 
D) ​50

Question 20

A two-factor study compares two different treatment conditions (factor 1)for males and females (factor 2).In this study,the males have an average score of 20 in the first treatment and an average of 25 in the second.The females average 35 in the first treatment and 45 in the second.For this study,there is no interaction.​

Accepted Answer

A) True 
 B)False

There are four levels of the second factor in a 3x4x4 factorial design.

A two-factor study comparing task performance for males versus females (factor 1)for three different levels of task difficulty (factor 2)would be described as a 2x3 design.

The following data represent the means for each treatment condition in a two-factor experiment.Note that one mean is not given.What value would result in no interaction between factors B B2 A1 A2 20 50 60

In a matrix representing the structure of a factorial design,the mean differences among the columns define ____.

Describe what it means to say that order effects are "symmetrical" or "asymmetrical."

How many independent variables are there in a 2 x2 x2 factorial design?

If the AxB interaction is significant,then at least one of the two main effects also must be significant.

Describe how a second factor can be used to reduce the variance in a between-subjects experiment.

How can order effects be measured and evaluated?

Explain why the existence of an interaction limits the interpretation of the main effects in a two-factor study.

In a factorial experimental design,independent variables are commonly called factors.

Which outcome is possible in a 2x2 factorial design?

It is often possible to reduce the variance in a between-subjects design by using a participant variable such as age or gender as a second factor.

For a two-factor design,describe what is meant by a "main effect" and an "interaction"?

How many separate groups of participants would be needed for a between-subjects,two-factor study with three levels of factor A and four levels of factor B?

Which outcome is possible in a 2x2 factorial design?

The following data represent the means for each treatment condition in a two-factor experiment.Note that one mean is not given.What value for the missing mean would result in no main effect for factor B? B1 B2 A1 20 10 A2 40

Introduction, Acquiring Knowledge, and the Scientific Method.

Research Ideas and Hypotheses.

Defining and Measuring Variables.

Ethics in Research.

Selecting Research Participants.

Research Strategies and Validity.

The Experimental Research Strategy.

Experimental Designs: Between Subjects Design.

Experimental Designs Within Subjects Design.

The Nonexperimental and Quasi-Experimental Strategies: Nonequivalent Group,Pre–Post,and Developmental Designs.

The Correlational Research Strategy.

The Descriptive Research Strategy.

Single-Subject Research Designs.

Statistical Evaluation of Data.

Writing an APA-Style Research Report.

Filters

Exam 11: Factorial Designs.

There are four levels of the second factor in a 3x4x4 factorial design.​

A two-factor study comparing task performance for males versus females (factor 1)for three different levels of task difficulty (factor 2)would be described as a 2x3 design.​

The following data represent the means for each treatment condition in a two-factor experiment.Note that one mean is not given.What value would result in no interaction between factors B B2 A1 ​A2 20 50 60

In a matrix representing the structure of a factorial design,the mean differences among the columns define ____.

Describe what it means to say that order effects are "symmetrical" or "asymmetrical."​

How many independent variables are there in a 2 x2 x2 factorial design?

If the AxB interaction is significant,then at least one of the two main effects also must be significant.

Describe how a second factor can be used to reduce the variance in a between-subjects experiment.

How can order effects be measured and evaluated?

Explain why the existence of an interaction limits the interpretation of the main effects in a two-factor study.​

In a factorial experimental design,independent variables are commonly called factors.

Which outcome is possible in a 2x2 factorial design?

It is often possible to reduce the variance in a between-subjects design by using a participant variable such as age or gender as a second factor.

For a two-factor design,describe what is meant by a "main effect" and an "interaction"?

How many separate groups of participants would be needed for a between-subjects,two-factor study with three levels of factor A and four levels of factor B?

Which outcome is possible in a 2x2 factorial design?​

The following data represent the means for each treatment condition in a two-factor experiment.Note that one mean is not given.What value for the missing mean would result in no main effect for factor B? B1 B2 ​ A1 ​ 20 ​ 10 ​ A2 ​ 40 ​ ​

Introduction, Acquiring Knowledge, and the Scientific Method.

Research Ideas and Hypotheses.

Defining and Measuring Variables.

Ethics in Research.

Selecting Research Participants.

Research Strategies and Validity.

The Experimental Research Strategy.

Experimental Designs: Between Subjects Design.

Experimental Designs Within Subjects Design.

The Nonexperimental and Quasi-Experimental Strategies: Nonequivalent Group,Pre–Post,and Developmental Designs.

The Correlational Research Strategy.

The Descriptive Research Strategy.

Single-Subject Research Designs.

Statistical Evaluation of Data.

Writing an APA-Style Research Report.

Filters

There are four levels of the second factor in a 3x4x4 factorial design.

A two-factor study comparing task performance for males versus females (factor 1)for three different levels of task difficulty (factor 2)would be described as a 2x3 design.

The following data represent the means for each treatment condition in a two-factor experiment.Note that one mean is not given.What value would result in no interaction between factors B B2 A1 A2 20 50 60

Describe what it means to say that order effects are "symmetrical" or "asymmetrical."

Explain why the existence of an interaction limits the interpretation of the main effects in a two-factor study.

Which outcome is possible in a 2x2 factorial design?

The following data represent the means for each treatment condition in a two-factor experiment.Note that one mean is not given.What value for the missing mean would result in no main effect for factor B? B1 B2 A1 20 10 A2 40